Variable | Year | Supplement |
---|---|---|
ASINBILL | 2018 | Sample adult questionnaire |
ASINBILL | 2017 | Sample adult questionnaire |
ASINBILL | 2016 | Sample adult questionnaire |
ASINBILL | 2015 | Sample adult questionnaire |
ASINBILL | 2014 | Sample adult questionnaire |
ASINBILL | 2013 | Sample adult questionnaire |